Home / 112,475.52-168,649.38-45,837.60

Finding the Fourth Proportional to 112,475.52, 168,649.38 and 45,837.60

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Solution

The fourth proportional to 112,475.52, 168,649.38 and 45,837.60 is: 68,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,475.52 : 168,649.38 = 45,837.60 : x
  2. Step 2: Convert to fraction form
    112,475.52/168,649.38 = 45,837.60/x
  3. Step 3: Cross multiply
    112,475.52x = 168,649.38 × 45,837.60
  4. Step 4: Simplify right side
    112,475.52x = 7,730,482,820.69
  5. Step 5: Solve for x
    x = 7,730,482,820.69/112,475.52
  6. Step 6: Final answer
    x = 68,730.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.